These machines are designed to center the ends of pipes when welding joints during the construction of pipelines. Thermal-expansion compensation controls the clamping force.

This is a hydraulic machine with an autonomous drive. The electric motor of the hydraulic pump is powered by an external power supply.

CVM-type clamps are designed to work with 12-36 mm pipe thicknesses. The clamping force of each row is 2000 kN.

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CHARACTERISTICSCV 54CV 81 CV 104CV 124(М*)CV 144(М*)
Pipe diameter, mm (inch)508, 530 (22″-24″)720, 820 (28″-32″)1020 (40″)1220 (48″)1420 (56″)
Pipe thickness, mm (inch)6-1410-2010-2010-20 (10-35)10-25 (10-35)
Qty of clamping units in one centering row, pcs89121616
Distance between row axes, mm100100100200200
Force of one row, kN (tf)500 (50)600 (60)800 (80)800 (80),2000 (200)800 (80),2000 (200)
Clamping time, s88101010
Working pressure in the hydraulic system, MPa (kg per sm2)15 (150)15 (150)15 (150)15 (150)15 (150)
Length/diameter w/o the reach rod, mm2280 / 6302500 / 7603400 / 10003400 / 12003400 / 1400
Weight w/o the reach rod, mm490760150019002100
Weight of the reach rod, kg110110250250250
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